Math in Focus Chapter 4: Subtraction Up to 10,000
Trimester 1
Big Idea: Subtraction up to 10,000
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Key Concepts:
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Chapter Vocabulary: difference, regroup
from the Math in Focus Curriculum
Common Core State Standards:
Number & Operations in Base Ten:
- 3.NBT.2. Fluently add and subtract within 1,000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction
- 3.OA.9. Identify arithmetic patterns (including patterns in the addition table or multiplication table) and explain them using properties of operations
Learning Videos: |
Learning Links for Chapter 4: |
Subtraction Games: |
Workbook Videos (by Daniel Lu) |
Chapter Review:
Chapter 4 Letter:
Additional Resources
from the Math in Focus Curriculum
Addition/Subtraction Fact Table
from: Everyday Math Online, My Reference Book